3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = function() { //var_dump($this); return $this; }; var_dump($a); class A { public $b; public function c() { return function() { //var_dump($this); return $this; }; } } $z = new A(); $b = $z->c(); var_dump($b);

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.40.0000.01418.65
8.3.30.0080.00618.92
8.3.20.0040.00420.14
8.3.10.0050.00323.65
8.3.00.0050.00319.26
8.2.170.0110.00422.96
8.2.160.0100.00320.38
8.2.150.0040.00424.18
8.2.140.0090.00624.66
8.2.130.0180.00026.16
8.2.120.0040.00422.16
8.2.110.0030.00622.31
8.2.100.0090.00317.72
8.2.90.0040.00419.17
8.2.80.0000.00817.97
8.2.70.0040.00417.50
8.2.60.0050.00318.04
8.2.50.0030.00618.07
8.2.40.0030.00618.16
8.2.30.0030.00518.13
8.2.20.0000.00817.79
8.2.10.0040.00418.10
8.2.00.0100.00017.76
8.1.270.0060.00322.11
8.1.260.0000.00826.35
8.1.250.0000.00728.09
8.1.240.0060.00318.93
8.1.230.0050.00519.23
8.1.220.0080.00017.74
8.1.210.0040.00418.77
8.1.200.0000.01017.35
8.1.190.0050.00517.39
8.1.180.0080.00418.10
8.1.170.0000.00818.56
8.1.160.0000.00721.97
8.1.150.0040.00418.68
8.1.140.0000.00817.45
8.1.130.0030.00317.82
8.1.120.0040.00417.33
8.1.110.0040.00417.49
8.1.100.0000.00717.45
8.1.90.0000.00817.50
8.1.80.0030.00517.47
8.1.70.0030.00317.37
8.1.60.0040.00417.46
8.1.50.0040.00417.51
8.1.40.0050.00317.51
8.1.30.0030.00517.45
8.1.20.0000.00917.66
8.1.10.0050.00217.40
8.1.00.0030.00617.33
8.0.300.0000.00719.03
8.0.290.0040.00417.18
8.0.280.0070.00018.39
8.0.270.0070.00017.10
8.0.260.0040.00417.18
8.0.250.0040.00416.85
8.0.240.0050.00216.80
8.0.230.0030.00316.93
8.0.220.0030.00316.85
8.0.210.0030.00316.85
8.0.200.0000.00717.02
8.0.190.0040.00416.80
8.0.180.0070.00016.89
8.0.170.0040.00416.79
8.0.160.0080.00016.85
8.0.150.0000.00816.87
8.0.140.0040.00416.88
8.0.130.0050.00013.25
8.0.120.0050.00316.76
8.0.110.0080.00016.84
8.0.100.0000.00716.98
8.0.90.0030.00316.78
8.0.80.0090.00516.91
8.0.70.0040.00416.93
8.0.60.0000.00716.77
8.0.50.0000.00716.95
8.0.30.0140.00517.08
8.0.20.0110.00817.40
8.0.10.0000.00817.13
8.0.00.0100.00816.62
7.4.330.0000.00615.00
7.4.320.0040.00416.58
7.4.300.0000.00616.55
7.4.290.0040.00416.61
7.4.280.0070.00016.52
7.4.270.0040.00416.50
7.4.260.0000.00816.58
7.4.250.0070.00016.58
7.4.240.0020.00516.45
7.4.230.0040.00416.61
7.4.220.0130.00716.62
7.4.210.0090.00616.54
7.4.200.0000.00716.62
7.4.190.0040.00416.64
7.4.160.0090.00916.43
7.4.150.0060.01217.40
7.4.140.0180.00617.86
7.4.130.0120.00516.45
7.4.120.0070.01216.37
7.4.110.0140.01016.50
7.4.100.0120.00816.62
7.4.90.0090.00816.57
7.4.80.0190.00019.39
7.4.70.0070.01016.55
7.4.60.0080.00816.66
7.4.50.0030.00616.39
7.4.40.0030.01022.77
7.4.30.0090.00616.53
7.4.00.0050.01214.93
7.3.330.0060.00013.16
7.3.320.0000.00613.16
7.3.310.0080.00016.14
7.3.300.0040.00416.30
7.3.290.0130.00316.36
7.3.280.0130.00416.28
7.3.270.0060.01217.40
7.3.260.0110.00616.44
7.3.250.0120.01016.37
7.3.240.0100.01016.30
7.3.230.0110.00616.40
7.3.210.0090.01216.17
7.3.200.0030.01719.39
7.3.190.0120.00616.24
7.3.180.0130.00616.41
7.3.170.0120.00816.35
7.3.160.0090.00616.27
7.3.120.0080.00914.78
7.3.110.0060.01314.59
7.3.100.0060.00915.01
7.3.90.0090.00014.71
7.3.80.0090.00614.70
7.3.70.0030.01014.57
7.3.60.0070.00714.95
7.3.50.0050.00814.62
7.3.40.0030.01014.86
7.3.30.0060.00614.91
7.3.20.0030.01016.60
7.3.10.0070.00516.42
7.3.00.0120.00416.45
7.2.330.0090.01516.59
7.2.320.0090.00916.70
7.2.310.0100.01316.70
7.2.300.0110.00616.58
7.2.290.0110.00616.78
7.2.250.0080.01114.79
7.2.240.0070.01415.00
7.2.230.0090.00915.02
7.2.220.0000.01014.70
7.2.210.0080.00314.80
7.2.200.0050.00514.80
7.2.190.0030.01214.93
7.2.180.0110.00715.12
7.2.170.0080.00314.99
7.2.130.0100.00716.14
7.2.120.0140.00516.07
7.2.110.0180.00616.24
7.2.100.0070.01416.43
7.2.90.0130.00916.70
7.2.80.0160.00816.47
7.2.70.0180.00916.19
7.2.60.0130.00416.30
7.2.50.0140.00316.11
7.2.40.0120.01216.59
7.2.30.0100.01016.07
7.2.20.0160.00416.17
7.2.10.0190.00016.89
7.2.00.0090.00818.06
7.1.330.0070.00715.75
7.1.320.0030.01015.88
7.1.310.0060.00915.89
7.1.300.0030.00915.61
7.1.290.0060.00315.55
7.1.280.0030.01015.71
7.1.270.0040.00715.72
7.1.260.0060.00615.80
7.1.250.0000.01815.15
7.1.100.0040.01118.22
7.1.70.0070.01017.27
7.1.60.0070.01719.33
7.1.50.0100.01016.63
7.1.00.0030.07322.49
7.0.200.0030.00616.34
7.0.140.0000.07321.95
7.0.60.0030.06020.01
7.0.50.0130.06717.86
7.0.40.0130.07720.02
7.0.30.0230.08020.19
7.0.20.0300.08720.08
7.0.10.0100.08020.17
7.0.00.0030.08720.10
5.6.280.0000.07720.82
5.6.210.0100.07720.61
5.6.200.0030.07018.18
5.6.190.0070.05720.41
5.6.180.0130.04320.68
5.6.170.0270.07320.45
5.6.160.0030.07020.55
5.6.150.0000.08318.17
5.6.140.0030.06318.21
5.6.130.0030.05318.23
5.6.120.0100.08321.12
5.6.110.0100.03320.99
5.6.100.0130.07020.99
5.6.90.0070.04021.11
5.6.80.0100.08320.38
5.6.70.4600.04320.51
5.5.350.0030.05020.39
5.5.340.0100.07017.96
5.5.330.0000.05020.29
5.5.320.0170.08720.27
5.5.310.0200.07020.24
5.5.300.0100.06717.95
5.5.290.0000.05018.01
5.5.280.0030.06020.85
5.5.270.0030.08720.77
5.5.260.0130.08020.75
5.5.250.0070.03720.59
5.5.240.0200.07320.36
5.4.450.0370.04019.20
5.4.440.0770.06019.61
5.4.430.0700.06019.36
5.4.420.0730.05719.47
5.4.410.0870.04319.48
5.4.400.1370.07019.15
5.4.390.0800.06318.87
5.4.380.0370.04318.75
5.4.370.0230.04318.80
5.4.360.0130.05718.65
5.4.350.0200.06718.63
5.4.340.0270.05718.73
5.4.320.0040.03712.51
5.4.310.0060.03712.50
5.4.300.0050.03812.51
5.4.290.0040.04012.50
5.4.280.0170.07112.38
5.4.270.0110.04912.37
5.4.260.0100.05112.38
5.4.250.0070.06212.38
5.4.240.0070.04612.37
5.4.230.0140.06112.36
5.4.220.0100.04712.37
5.4.210.0090.04112.36
5.4.200.0070.04512.37
5.4.190.0090.05312.36
5.4.180.0130.07412.36
5.4.170.0100.05212.37
5.4.160.0080.03812.37
5.4.150.0060.03812.36
5.4.140.0090.05512.04
5.4.130.0070.04812.03
5.4.120.0120.06012.00
5.4.110.0090.05411.99
5.4.100.0110.05911.99
5.4.90.0110.06311.99
5.4.80.0090.04111.99
5.4.70.0080.05111.98
5.4.60.0100.04911.98
5.4.50.0040.05911.98
5.4.40.0110.04811.97
5.4.30.0090.05311.97
5.4.20.0140.04411.97
5.4.10.0180.06411.97
5.4.00.0150.06711.46
5.3.290.0080.03612.80
5.3.280.0160.05212.71
5.3.270.0110.06612.73
5.3.260.0140.06312.72
5.3.250.0080.05612.72
5.3.240.0080.03912.72
5.3.230.0100.05212.70
5.3.220.0120.04812.68
5.3.210.0120.05012.68
5.3.200.0090.05112.68
5.3.190.0090.04112.68
5.3.180.0130.06912.67
5.3.170.0130.05512.67
5.3.160.0090.05812.68
5.3.150.0090.05712.67
5.3.140.0100.06412.66
5.3.130.0080.05612.66
5.3.120.0170.06412.66
5.3.110.0170.06212.66
5.3.100.0090.05312.12
5.3.90.0110.05412.09
5.3.80.0090.05212.08
5.3.70.0170.05712.07
5.3.60.0090.06512.06
5.3.50.0130.07312.00
5.3.40.0130.06512.01
5.3.30.0200.08711.96
5.3.20.0080.05711.75
5.3.10.0070.05611.71
5.3.00.0080.06811.70
5.2.170.0110.0409.15
5.2.160.0100.0549.15
5.2.150.0120.0579.15
5.2.140.0100.0499.15
5.2.130.0090.0419.11
5.2.120.0090.0419.11
5.2.110.0090.0349.12
5.2.100.0100.0399.12
5.2.90.0070.0419.11
5.2.80.0080.0559.11
5.2.70.0040.0359.11
5.2.60.0060.0409.06
5.2.50.0100.0409.03
5.2.40.0270.0489.00
5.2.30.0090.0508.99
5.2.20.0300.0518.97
5.2.10.0140.0498.91
5.2.00.0040.0398.76
5.1.60.0060.0258.04
5.1.50.0040.0278.04
5.1.40.0060.0258.03
5.1.30.0040.0308.37
5.1.20.0060.0308.40
5.1.10.0050.0288.12
5.1.00.0050.0288.12
5.0.50.0080.0316.60
5.0.40.0050.0296.46
5.0.30.0050.0496.27
5.0.20.0090.0276.25
5.0.10.0070.0266.21
5.0.00.0060.0436.21
4.4.90.0040.0324.78
4.4.80.0050.0254.75
4.4.70.0060.0244.76
4.4.60.0070.0224.76
4.4.50.0070.0234.77
4.4.40.0070.0344.71
4.4.30.0040.0214.76
4.4.20.0090.0204.84
4.4.10.0090.0294.85
4.4.00.0100.0534.76
4.3.110.0050.0254.67
4.3.100.0060.0314.66
4.3.90.0050.0214.63
4.3.80.0050.0384.58
4.3.70.0030.0234.63
4.3.60.0060.0204.63
4.3.50.0080.0194.62
4.3.40.0060.0304.54
4.3.30.0030.0213.27
4.3.20.0020.0333.25
4.3.10.0080.0233.21
4.3.00.0000.01313.47

preferences:
63.25 ms | 400 KiB | 5 Q